PROTO Crowfoot Socket Wrench: Alloy Steel, Chrome, 3/8 in Drive Size
The PROTO J4920MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8 in drive size and a 20 mm head size. This PROTO crowfoot socket wrench is designed for use with…
SKU 3G-OTH-315010
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Product Description
The PROTO J4920MCF is a metric open end crowfoot wrench made of alloy steel with a chrome finish. It features a 3/8 in drive size and a 20 mm head size. This PROTO crowfoot socket wrench is designed for use with standard ratchets and torque wrenches.
Frequently Asked Questions
What is the PROTO J4920MCF crowfoot socket wrench used for?
The PROTO J4920MCF is a metric open end crowfoot wrench used to access fasteners in tight spaces where a standard socket cannot fit. It attaches to a 3/8 in drive ratchet or torque wrench, making it ideal for automotive, industrial, and maintenance applications requiring precise torque on hydraulic or pneumatic fittings.
What are the specifications of the PROTO J4920MCF?
The PROTO J4920MCF is made of alloy steel with a chrome finish. It has a 3/8 in drive size and a 20 mm head size. This metric open end crowfoot wrench is designed for use with standard ratchets and torque wrenches, providing reliable access to fasteners in confined spaces.
Where to buy the PROTO J4920MCF worldwide?
You can source the PROTO J4920MCF crowfoot socket wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply PROTO tools to procurement teams and engineers internationally.
How to select the correct PROTO crowfoot wrench size?
To select the correct PROTO crowfoot wrench, match the head size to your fastener's hex dimension. The J4920MCF has a 20 mm head and a 3/8 in drive. Ensure your ratchet or torque wrench has a compatible 3/8 in square drive. Always verify the fastener size and clearance before use to avoid damage.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric open end crowfoot wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















